{"release":{"schemaVersion":"maha-epistemic-release/1.0","releaseId":"epirelease_68a3c152fa1343e2b3242ee3ad6aebd3","releaseKind":"initial","status":"active","recordId":"urn:maha:record:neurotechnology-bci-extracellular-spike-recording","domainSlug":"neurotechnology-bci","targetSha256":"sha256:b69db4c70696ecb4cb4870c44fa90c1d2b127709311c42295b784ff807ebbf4c","canonicalPath":"/knowledge/neurotechnology-bci/measurements/neurotechnology-bci-extracellular-spike-recording","canonicalVersion":"1.0.0","supersedesReleaseId":null,"approvals":[{"scope":"boundary-adequacy","reviewId":"epireview_51b3da05a3e34dd39b78610775daa953","reviewSha256":"sha256:1efa09814e2633c9ded6c70b5159b85ecaf712630512f5f31fdff48cc2150b83","reviewedAt":"2026-08-25T09:34:36.575Z","reviewerKind":"internal-editorial","reviewMethod":"Deterministic exact-hash checks, public source-resolution evidence, source-to-claim audit, unsupported-inference audit, and AI-assisted internal editorial inspection. No external reviewer participated."},{"scope":"domain-fidelity","reviewId":"epireview_0cbfb8aff11a438fa6d9b9067cddddd8","reviewSha256":"sha256:2c5b5bfc591b09f13c7089e1aaf5aeddf6d41bceb840970b1166ee716891dc8d","reviewedAt":"2026-08-25T09:34:36.484Z","reviewerKind":"internal-editorial","reviewMethod":"Deterministic exact-hash checks, public source-resolution evidence, source-to-claim audit, unsupported-inference audit, and AI-assisted internal editorial inspection. No external reviewer participated."},{"scope":"rights-and-locator","reviewId":"epireview_d906027d52c240fbaeff899ebbadf7d5","reviewSha256":"sha256:28fc0a81e54af3412e3b9eeb2041bafb38bfdc01d4fa783f2faf3e945df8ede5","reviewedAt":"2026-08-25T09:34:36.649Z","reviewerKind":"internal-editorial","reviewMethod":"Deterministic exact-hash checks, public source-resolution evidence, source-to-claim audit, unsupported-inference audit, and AI-assisted internal editorial inspection. No external reviewer participated."},{"scope":"source-fidelity","reviewId":"epireview_40018d321bad465a807b78dcc3465425","reviewSha256":"sha256:02f639a579c05522fbd4399e7012969b657c00b144fe16434e728fe1419bf149","reviewedAt":"2026-08-25T09:34:36.364Z","reviewerKind":"internal-editorial","reviewMethod":"Deterministic exact-hash checks, public source-resolution evidence, source-to-claim audit, unsupported-inference audit, and AI-assisted internal editorial inspection. No external reviewer participated."}],"assuranceTier":"internally-reviewed-canonical","releaseAuthority":{"authoritySha256":"sha256:38616eafd13c4ad603a3a3a9e445f3862fb29b54385aa571c197a2923e302785","attribution":"withheld-by-consent"},"publicChangeSummary":"Initial canonical publication in the eight-domain internal-review throughput canary.","recordSha256":"sha256:78fe6cbfb2e74dd1c89b7c03c95056a18102aae3d6a6cd7569b759cfe11eac7c","gateDecision":{"reasons":[],"recordId":"urn:maha:record:neurotechnology-bci-extracellular-spike-recording","publicEligible":true,"evaluatedAgainst":"maha-epistemic/1.0"},"releasedAt":"2026-08-25T09:35:28.248Z","releaseSha256":"sha256:1ce1f8f5f6297a5d0c8d99be71d7b33e57a65f43c2796038f1ab932d2e8a9dc0","withdrawal":null},"provenance":{"schemaVersion":"maha-epistemic/1.0","evidencePolicyVersion":"mps/0.1","recordId":"urn:maha:record:neurotechnology-bci-extracellular-spike-recording","canonicalPath":"/knowledge/neurotechnology-bci/measurements/neurotechnology-bci-extracellular-spike-recording","contentHash":"sha256:78fe6cbfb2e74dd1c89b7c03c95056a18102aae3d6a6cd7569b759cfe11eac7c","generatedAt":"2026-08-25T09:35:28.248Z","publicationDecision":{"recordId":"urn:maha:record:neurotechnology-bci-extracellular-spike-recording","publicEligible":true,"evaluatedAgainst":"maha-epistemic/1.0","reasons":[]},"claims":[{"id":"urn:maha:claim:neurotechnology-bci-extracellular-spike-recording","scope":"Limited to Probe architecture, recording sites, channel selection, noise, recordings, and Methods. in “Fully integrated silicon probes for high-density recording of neural activity”; this candidate records the concept boundary and does not pool results from uncited systems or studies.","boundary":"Extracellular spike recording does not by itself establish system-level performance, safety, manufacturability, scalability, economic advantage, clinical benefit, or deployment readiness.","claimKind":"observation","sourceIds":["source-neurotechnology-bci-neuropixels"],"statement":"The cited source supports treating extracellular spike recording as a distinct measurement within the stated neurotechnology and bci scope.","replication":{"asOfDate":"2026-08-24","assessment":"Independent replication and cross-platform transfer have not been compiled for this candidate; the evidence maturity refers only to the bounded source contract.","independentReplicationCount":null},"uncertainty":{"kind":"qualitative","statement":"No cross-source quantitative interval is asserted. Definitions, operating conditions, samples, instruments, and outcome measures must be checked against the exact cited locator during review."},"evidenceMaturity":"single-study"}],"sources":[{"id":"source-neurotechnology-bci-neuropixels","url":"https://doi.org/10.1038/nature24636","title":"Fully integrated silicon probes for high-density recording of neural activity","rights":{"note":"The candidate uses original boundary language and a short paraphrase linked to the cited source. No source passage, figure, or table is reproduced.","basis":"citation-with-paraphrase","quotationUsed":false},"authors":["James J. Jun","Nicholas A. Steinmetz","Joshua H. Siegle","et al."],"boundary":"Probe capability does not establish perfect unit identity, chronic stability, or clinical suitability.","publisher":"Nature","establishes":"The paper reports the Neuropixels silicon-probe architecture and specified high-density neural recordings.","identifiers":[{"value":"10.1038/nature24636","scheme":"doi"}],"publishedAt":"2017-11-08","exactLocator":"Probe architecture, recording sites, channel selection, noise, recordings, and Methods."}],"reviewEvents":[{"reviewId":"epireview_40018d321bad465a807b78dcc3465425","scope":"source-fidelity","targetSha256":"sha256:b69db4c70696ecb4cb4870c44fa90c1d2b127709311c42295b784ff807ebbf4c","reviewedAt":"2026-08-25T09:34:36.364Z","verdict":"approve","supersedesReviewId":null},{"reviewId":"epireview_0cbfb8aff11a438fa6d9b9067cddddd8","scope":"domain-fidelity","targetSha256":"sha256:b69db4c70696ecb4cb4870c44fa90c1d2b127709311c42295b784ff807ebbf4c","reviewedAt":"2026-08-25T09:34:36.484Z","verdict":"approve","supersedesReviewId":null},{"reviewId":"epireview_51b3da05a3e34dd39b78610775daa953","scope":"boundary-adequacy","targetSha256":"sha256:b69db4c70696ecb4cb4870c44fa90c1d2b127709311c42295b784ff807ebbf4c","reviewedAt":"2026-08-25T09:34:36.575Z","verdict":"approve","supersedesReviewId":null},{"reviewId":"epireview_d906027d52c240fbaeff899ebbadf7d5","scope":"rights-and-locator","targetSha256":"sha256:b69db4c70696ecb4cb4870c44fa90c1d2b127709311c42295b784ff807ebbf4c","reviewedAt":"2026-08-25T09:34:36.649Z","verdict":"approve","supersedesReviewId":null}]},"privacyBoundary":"Operational actor fingerprints, bearer credentials, private reviewer profiles, affiliations, conflicts, and non-consented authority identity fields are excluded."}